Museo Sans is a sans-serif font. It goes well with Museo Slab, Freight Sans Pro, Garamond Premier, Adelle, Museo Sans Rounded, FC Kaiser, Brandon Grotesque, Adobe Caslon, FC Zizou Slab and Museo. If you're thinking about using Museo Sans then try 32px for headers. Give 11px a shot for content.
People commonly tag it as writing, modern, photo, design, tech, list, agency, travel, ui and minimal. You can get it from Font Squirrel, Fontdeck, Fonts.com, Fontshop, Fontspring, MyFonts and Typekit.